diff --git a/app/functions/isnetav.m b/app/functions/isnetav.m
index 69c0a77..1a7764e 100644
--- a/app/functions/isnetav.m
+++ b/app/functions/isnetav.m
@@ -1,25 +1,29 @@
 function x=isnetav
-disp('-->> Checking internet status');
-[~,b]=system('ping -c 5 -W 15 www.github.com');
-n=strfind(b,'received');
-if ismac
-    % Code to run on Mac platform
-elseif isunix
-   n1=b(n-2);
-elseif ispc
-   n1=b(n+7);
-else
-    disp('Platform not supported');
-end
-if(n1=='5')
-    x=1;
-    disp('-->> Internet connection Ok');
-else
+try
+    disp('-->> Checking internet status');
+    [~,b]=system('ping -c 5 -W 15 www.github.com');
+    n=strfind(b,'received');
+    if ismac
+        % Code to run on Mac platform
+    elseif isunix
+        n1=b(n-2);
+    elseif ispc
+        n1=b(n+7);
+    else
+        disp('Platform not supported');
+    end
+    if(n1=='5')
+        x=1;
+        disp('-->> Internet connection Ok');
+    else
+        x=0;
+        cprintf('red','-->> We could not get you online'); fprintf('\n');
+        cprintf('red','-->> There migth be either a problem with the internet connection or matlab proxy configuration'); fprintf('\n');
+        cprintf('red','-->> We could not get the BC-VARETA latest version right now.');fprintf('\n');
+        cprintf('red','-->> Please check your internet configuration and try to update again.');fprintf('\n');
+        disp('=================================================================');
+    end
+catch
     x=0;
-    cprintf('red','-->> We could not get you online'); fprintf('\n');
-    cprintf('red','-->> There migth be either a problem with the internet connection or matlab proxy configuration'); fprintf('\n');
-    cprintf('red','-->> We could not get the BC-VARETA latest version right now.');fprintf('\n');
-    cprintf('red','-->> Please check your internet configuration and try to update again.');fprintf('\n');
-    disp('=================================================================');
 end
 end
diff --git a/guide/CiftiStorm.mlapp b/guide/CiftiStorm.mlapp
index 0ce5ea1..5859d03 100644
Binary files a/guide/CiftiStorm.mlapp and b/guide/CiftiStorm.mlapp differ
diff --git a/guide/DatasetUI.mlapp b/guide/DatasetUI.mlapp
index 864cae9..9f3068f 100644
Binary files a/guide/DatasetUI.mlapp and b/guide/DatasetUI.mlapp differ